Move RELOCATE into config.h

Move ISA probe address logic from config.c into isa.c, create header file
config/isa.h.

src/Config

 # CFLAGS+=	-DDHCP_USER_CLASS="5,'A','L','P','H','A',4,'B','E','T','A'" \
 #		-DDHCP_USER_CLASS_LEN=11
 
-# for btext console support
-# CFLAGS+=	-DCONSOLE_BTEXT 
-# for direct PC kbd support 
-# CFLAGS+=	-DCONSOLE_PC_KBD
 # Set to enable FILO support
 # for FILO support it will make main call pci_init
 # INCLUDE_FILO=y
 # CFLAGS+=	-DBUILD_SERIAL
 # CFLAGS+=	-DBUILD_SERIAL -DBUILD_ID=\"testing\"
 
-# Do not relocate
-# core/relocate.c should really be moved to an arch specific directory
-# but this is here for archs that don't support relocation
-# CFLAGS+=	-DNORELOCATE
-
 
 
 

src/core/config.c

 #include "etherboot.h"
 #include "dev.h"
 #include "console.h"
+
+#include "config/general.h"
+
 #ifdef BUILD_SERIAL
 #include ".buildserial.h"
 #define xstr(s) str(s)
 /*
  * Drag in all requested console types
  *
- * At least one of the CONSOLE_xxx has to be set.  CONSOLE_DUAL sets
+ * CONSOLE_DUAL sets both CONSOLE_FIRMWARE and CONSOLE_SERIAL for
- * both CONSOLE_FIRMWARE and CONSOLE_SERIAL for legacy compatibility.
+ * legacy compatibility.
- * If no CONSOLE_xxx is set, CONSOLE_FIRMWARE is assumed.
  *
  */
 
-#ifdef CONSOLE_CRT
+#if	CONSOLE_DUAL
-#define CONSOLE_FIRMWARE
+#undef	CONSOLE_FIRMWARE
-#endif
+#define	CONSOLE_FIRMWARE	1
-
+#undef	CONSOLE_SERIAL
-#ifdef	CONSOLE_DUAL
+#define	CONSOLE_SERIAL		1
-#undef CONSOLE_FIRMWARE
-#define CONSOLE_FIRMWARE
-#undef CONSOLE_SERIAL
-#define CONSOLE_SERIAL
 #endif
 
-#if	!defined(CONSOLE_FIRMWARE) && !defined(CONSOLE_SERIAL)
+#if CONSOLE_FIRMWARE
-#define CONSOLE_FIRMWARE
-#endif
-
-#ifdef CONSOLE_FIRMWARE
 REQUIRE_OBJECT ( bios_console );
 #endif
 
-#ifdef CONSOLE_SERIAL
+#if CONSOLE_SERIAL
 REQUIRE_OBJECT ( serial );
 #endif
 
-#ifdef CONSOLE_DIRECT_VGA
+#if CONSOLE_DIRECT_VGA
 REQUIRE_OBJECT ( video_subr );
 #endif
 
-#ifdef CONSOLE_BTEXT
+#if CONSOLE_BTEXT
 REQUIRE_OBJECT ( btext );
 #endif
 
-#ifdef CONSOLE_PC_KBD
+#if CONSOLE_PC_KBD
 REQUIRE_OBJECT ( pc_kbd );
 #endif
 
  *
  */
 
-#ifndef NORELOCATE
+#if RELOCATE
 REQUIRE_OBJECT ( relocate );
 #endif
-
-/*
- * Allow ISA probe address list to be overridden
- *
- */
-#include "isa.h"
-#ifndef ISA_PROBE_ADDRS
-#define ISA_PROBE_ADDRS
-#endif
-
-isa_probe_addr_t isa_extra_probe_addrs[] = {
-	ISA_PROBE_ADDRS
-};
-
-unsigned int isa_extra_probe_addr_count
-      = sizeof ( isa_extra_probe_addrs ) / sizeof ( isa_extra_probe_addrs[0] );

src/drivers/bus/isa.c

 #include "string.h"
+#include "config/isa.h"
 #include "isa.h"
 
 /*
 DEV_BUS( struct isa_device, isa_dev );
 static char isa_magic[0]; /* guaranteed unique symbol */
 
+/*
+ * User-supplied probe address list
+ *
+ */
+static isa_probe_addr_t isa_extra_probe_addrs[] = {
+	ISA_PROBE_ADDRS
+#if ISA_PROBE_ONLY
+	, 0
+#endif
+};
+#define isa_extra_probe_addr_count \
+     ( sizeof ( isa_extra_probe_addrs ) / sizeof ( isa_extra_probe_addrs[0] ) )
+
 /*
  * Find an ISA device matching the specified driver
  *
 		isa->magic = isa_magic;
 	}
 
-	/* Iterate through any ISA probe addresses specified by
+	/* Iterate through any ISA probe addresses specified by the
-	 * config.c, starting where we left off.
+	 * user, starting where we left off.
 	 */
 	DBG ( "ISA searching for device matching driver %s\n", driver->name );
 	for ( i = isa->probe_idx ; i < isa_extra_probe_addr_count ; i++ ) {
 			isa->already_tried = 0;
 			continue;
 		}
-
+		
 		/* Set I/O address */
 		ioaddr = isa_extra_probe_addrs[i];
 

src/include/isa.h

 extern int find_isa_boot_device ( struct dev *dev,
 				  struct isa_driver *driver );
 
-/*
- * config.c defines isa_extra_probe_addrs and isa_extra_probe_addr_count.
- *
- */
-extern isa_probe_addr_t isa_extra_probe_addrs[];
-extern unsigned int isa_extra_probe_addr_count;
-
 #endif /* ISA_H */